[Patch, libfortran] PR 52512 - Cannot match namelist object name

[Tilo Schwarz]

Hi,

this patch fixes PR 52512.

Built and regtested on Linux 3.2.0-4-686-pae.

Regards,

        Tilo
2013-03-15  Tilo Schwarz  <t...@tilo-schwarz.de>

	PR libfortran/52512
	* io/list_read.c (nml_parse_qualifier): To check for a derived type
	don't use the namelist head element type but the current element type.
	(nml_get_obj_data): Add current namelist element type to
	nml_parse_qualifier call.

2013-03-15  Tilo Schwarz  <t...@tilo-schwarz.de>

	PR libfortran/52512
	* gfortran.dg/namelist_79.f90: New.

diff --git a/gcc/testsuite/gfortran.dg/namelist_79.f90 b/gcc/testsuite/gfortran.dg/namelist_79.f90
new file mode 100644
index 0000000..2b2ef31
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/namelist_79.f90
@@ -0,0 +1,43 @@
+! { dg-do run }
+! PR libfortran/52512 - Cannot match namelist object name
+! Test case derived from PR.
+
+program testje
+
+    implicit none
+
+    integer :: getal, jn
+    type ptracer
+        character(len = 8)  :: sname  !: short name
+        logical             :: lini   !: read in a file or not
+    end type ptracer
+    type(ptracer) , dimension(3) :: tracer
+    namelist/namtoptrc/  getal,tracer
+
+    ! standard values
+    getal = 9999
+    do jn = 1, 3
+        tracer(jn)%sname = 'default_name'
+        tracer(jn)%lini = .false.
+    end do
+
+    open (10, status='scratch')
+    write (10, '(a)') "&namtoptrc"
+    write (10, '(a)') "   getal = 7"
+    write (10, '(a)') "   tracer(1) = 'DIC     ', .true."
+    write (10, '(a)') "   tracer(2) = 'Alkalini', .true."
+    write (10, '(a)') "   tracer(3) = 'O2      ', .true."
+    write (10, '(a)') "/"
+    rewind(10)
+    read(10, nml=namtoptrc)
+    close (10)
+
+    if (getal /= 7) call abort
+    if (tracer(1)%sname /= 'DIC     ') call abort
+    if (tracer(2)%sname /= 'Alkalini') call abort
+    if (tracer(3)%sname /= 'O2      ') call abort
+    if (.not. tracer(1)%lini) call abort
+    if (.not. tracer(2)%lini) call abort
+    if (.not. tracer(3)%lini) call abort
+
+end program testje
diff --git a/libgfortran/io/list_read.c b/libgfortran/io/list_read.c
index aa7c8c0..fe591f6 100644
--- a/libgfortran/io/list_read.c
+++ b/libgfortran/io/list_read.c
@@ -2054,8 +2054,8 @@ calls:
 
 static bool
 nml_parse_qualifier (st_parameter_dt *dtp, descriptor_dimension *ad,
-		     array_loop_spec *ls, int rank, char *parse_err_msg,
-		     size_t parse_err_msg_size,
+		     array_loop_spec *ls, int rank, bt nml_elem_type,
+		     char *parse_err_msg, size_t parse_err_msg_size,
 		     int *parsed_rank)
 {
   int dim;
@@ -2230,7 +2230,7 @@ nml_parse_qualifier (st_parameter_dt *dtp, descriptor_dimension *ad,
 		      do not allow excess data to be processed.  */
 		  if (is_array_section == 1
 		      || !(compile_options.allow_std & GFC_STD_GNU)
-		      || dtp->u.p.ionml->type == BT_DERIVED)
+		      || nml_elem_type == BT_DERIVED)
 		    ls[dim].end = ls[dim].start;
 		  else
 		    dtp->u.p.expanded_read = 1;
@@ -2867,7 +2867,7 @@ get_name:
     {
       parsed_rank = 0;
       if (!nml_parse_qualifier (dtp, nl->dim, nl->ls, nl->var_rank,
-			       nml_err_msg, nml_err_msg_size, 
+			       nl->type, nml_err_msg, nml_err_msg_size,
 			       &parsed_rank))
 	{
 	  char *nml_err_msg_end = strchr (nml_err_msg, '\0');
@@ -2924,8 +2924,8 @@ get_name:
       descriptor_dimension chd[1] = { {1, clow, nl->string_length} };
       array_loop_spec ind[1] = { {1, clow, nl->string_length, 1} };
 
-      if (!nml_parse_qualifier (dtp, chd, ind, -1, nml_err_msg, 
-				nml_err_msg_size, &parsed_rank))
+      if (!nml_parse_qualifier (dtp, chd, ind, -1, nl->type,
+				nml_err_msg, nml_err_msg_size, &parsed_rank))
 	{
 	  char *nml_err_msg_end = strchr (nml_err_msg, '\0');
 	  snprintf (nml_err_msg_end,